Coppermine Photo Gallery

Your online photo album

Click to view full size image

Dec Thor's Helmut Run

Unknown artifact? Notice it is in the same position but the background stars move.
Image on the left is a stack of the 2min exposures with no alignment.
Image on the right is a stack of 5 min exposures also with no alignment.
Aligning on the stars smears the artifact.

medcalRAW-NGC3521-S001-R001-C01try.jpg 3x15minha-Combined3x18minlum.jpg thorart.jpg m1-0-RGBad12_reg.jpg na3d.jpg
Rate this file (Current rating : 3 / 5 with 11 votes)